The answer is c because the other are soft
He was a close friend to Charles Darwin so he helped him out in creating the theory of evolution so I would say C: He developed the idea of inheritance of acquired characteristics.
No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
D) take in nutrients because endocytosis is the process when a cell takes in food
Is it a question or ... no ?